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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/system.h"
#include "common/events.h"
#include "graphics/cursorman.h"
#include "graphics/palette.h"
#include "graphics/surface.h"
#include "chewy/cursor.h"
#include "chewy/graphics.h"
#include "chewy/resource.h"
#include "chewy/text.h"
#include "chewy/video/cfo_decoder.h"
namespace Chewy {
Graphics::Graphics(ChewyEngine *vm) : _vm(vm) {
_font = nullptr;
}
Graphics::~Graphics() {
delete _font;
}
void Graphics::drawSprite(Common::String filename, int spriteNum, uint x, uint y) {
SpriteResource *res = new SpriteResource(filename);
TAFChunk *sprite = res->getSprite(spriteNum);
drawTransparent(x, y, sprite->data, sprite->width, sprite->height, 0);
g_system->updateScreen();
delete[] sprite->data;
delete sprite;
delete res;
}
void Graphics::drawImage(Common::String filename, int imageNum) {
BackgroundResource *res = new BackgroundResource(filename);
TBFChunk *image = res->getImage(imageNum);
g_system->getPaletteManager()->setPalette(image->palette, 0, 256);
g_system->copyRectToScreen(image->data, image->width, 0, 0, image->width, image->height);
g_system->updateScreen();
delete[] image->data;
delete image;
delete res;
}
void Graphics::loadFont(Common::String filename) {
_font = new Font(filename);
}
void Graphics::drawTransparent(uint16 x, uint16 y, byte *data, uint16 width, uint16 height, byte transparentColor) {
::Graphics::Surface *screen = g_system->lockScreen();
for (uint curX = 0; curX < width; curX++) {
for (uint curY = 0; curY < height; curY++) {
byte *src = data + (curY * width) + curX;
byte *dst = (byte *)screen->getBasePtr(curX + x, curY + y);
if (*src != transparentColor)
*dst = *src;
}
}
g_system->unlockScreen();
}
void Graphics::drawText(Common::String text, uint x, uint y) {
::Graphics::Surface *textSurface = _font->getLine(text);
drawTransparent(x, y, (byte *)textSurface->getPixels(), textSurface->pitch, textSurface->h, 0xFF);
textSurface->free();
delete textSurface;
}
void Graphics::playVideo(uint num) {
CfoDecoder *cfoDecoder = new CfoDecoder(_vm->_sound);
VideoResource *videoResource = new VideoResource("cut.tap");
Common::SeekableReadStream *videoStream = videoResource->getVideoStream(num);
if (!cfoDecoder->loadStream(videoStream)) {
delete videoResource;
delete cfoDecoder;
return;
}
uint16 x = (g_system->getWidth() - cfoDecoder->getWidth()) / 2;
uint16 y = (g_system->getHeight() - cfoDecoder->getHeight()) / 2;
bool skipVideo = false;
byte curPalette[256 * 3];
g_system->getPaletteManager()->grabPalette(curPalette, 0, 256);
_vm->_cursor->hideCursor();
cfoDecoder->start();
while (!_vm->shouldQuit() && !cfoDecoder->endOfVideo() && !skipVideo) {
if (cfoDecoder->needsUpdate()) {
const ::Graphics::Surface *frame = cfoDecoder->decodeNextFrame();
if (frame) {
g_system->copyRectToScreen(frame->getPixels(), frame->pitch, x, y, frame->w, frame->h);
if (cfoDecoder->hasDirtyPalette())
g_system->getPaletteManager()->setPalette(cfoDecoder->getPalette(), 0, 256);
g_system->updateScreen();
}
}
Common::Event event;
while (g_system->getEventManager()->pollEvent(event)) {
if ((event.type == Common::EVENT_KEYDOWN && event.kbd.keycode == Common::KEYCODE_ESCAPE) || event.type == Common::EVENT_LBUTTONUP)
skipVideo = true;
}
g_system->delayMillis(10);
}
cfoDecoder->close();
g_system->getPaletteManager()->setPalette(curPalette, 0, 256);
_vm->_cursor->showCursor();
}
} // End of namespace Chewy
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